20 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Return measured end-to-end fetch timing. Only public HTTP(S) targets are accepted; JavaScript is not executed. Pass url as an absolute public HTTP(S) URL. Keep fresh=false to reuse cache; set fresh=true only when a new u...
Paid sitemap.xml discovery + URL extraction via x402
Paid redirect-destination classifier (cycle 123, x402 $0.001) - follows up to 10 redirect hops with loop detection, then classifies FINAL destination by TLD category (ccTLD / classic gTLD / suspicious .xyz .top .click .l...
Paid prompt-safe URL preview (cycle 99) — fetches a URL and returns a plain-text preview with ALL scripts/styles/iframes/objects/embeds/event-handlers/javascript:-URLs/data:-URLs STRIPPED before text extraction; reports...
Paid API-freshness probe (cycle 96) — HEAD-probes 10 conventional health/version endpoints (/health, /healthz, /ready, /readyz, /livez, /api/health, /api/version, /api/status, /api/ping, /api/info); per-probe status + la...
Paid hreflang <-> sitemap.xml cross-validator (cycle 94) — extracts page hreflang tags, validates BCP47 + self-reference + x-default + canonical agreement, locates sitemap (sitemap.xml + sitemap_index.xml + robots.txt Si...
Paid social-share preview image audit — parses og:image / og:image:url / og:image:secure_url / twitter:image / twitter:image:src / twitter:image:alt / link rel=image_src / link rel=icon / largest inline <img>, HEAD-valid...
Paid PWA Web App Manifest audit via x402
Paid robots.txt vs meta robots vs X-Robots-Tag conflict detector — 4 conflict types (robots-disallow-vs-meta-index, robots-allow-vs-meta-noindex, X-Robots-Tag-noindex-vs-meta-index, X-Robots-Tag-index-vs-meta-noindex) +...
Paid Open Graph + Twitter Card spec validator — required OG detection (og:title/type/image/url), recommended (description/site_name/locale/image:width/image:height/image:alt), og:type enum validation (website/article/boo...
Paid exhaustive meta-tag coverage audit — title + meta_description + meta_robots + meta_keywords + meta_author + meta_generator + meta_theme_color + meta_viewport + 17 OG fields (og:title/description/image/url/type/site_...
Paid mobile/responsive viewport meta audit — viewport tag (width=device-width,user-scalable), apple-mobile-web-app-capable, theme-color, format-detection, apple-touch-icon + manifest.json detection, touch-icon coverage,...
Paid deep robots.txt audit — per-UA directive counts, sitemap, 34 AI-bot directive detection (GPTBot/ClaudeBot/Google-Extended/CCBot/PerplexityBot/Meta-ExternalAgent/Bytespider/etc), crawl-delay, anti-pattern flags, robo...
Paid deep sitemap audit — format validity + lastmod coverage % + lastmod ISO 8601 validity + image/video/news/xhtml extension support + sitemap index nesting depth + robots.txt Sitemap directive + changefreq/priority dep...
Paid canonical URL consensus audit — link rel=canonical + HTTP redirect final + og:url + twitter:url + JSON-LD url/@id/mainEntityOfPage + hreflang x-default compared, consensus URL + agreement_count + canonical_health_sc...
Paid comprehensive favicon + app-icon extractor (link rel=icon/apple-touch-icon/mask-icon, manifest.json icons, msapplication-TileImage, og:image, Twitter image) via x402
Paid meta-refresh + JS-redirect detector (cycle 92 gating fix)
Paid robots.txt audit via x402
Paid Open Graph + Twitter Card via x402
Paid comprehensive SEO audit (title length, meta description, canonical, robots, viewport, OG/Twitter, JSON-LD, hreflang, favicon, sitemap + A-F grade) via x402